Astronomers have spied three whole systems of exoplanets being born around one binary star.
SVS 13 is a binary star system 980 light-years away, and the complex structures of dust around it are shedding light on how planetary systems are born in these fascinating environments. Since a large proportion of stars is bound up in multiple-star systems, this has implications for our understanding of planet formation and evolution.
Stars are born from dense knots in clouds of molecular gas floating in space. Under the right conditions, one of these knots will collapse under its own gravity and start spinning. As it spins, the material around it flattens into a disk that spools into the star, feeding its growth.
France Dernières Nouvelles, France Actualités
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